Covestro Makrolon® Rx1452 PC Resin
Plastic Granules
Makrolon Rx1452 PC Resin
Makrolon® Rx1452 is a medical-grade, transparent polycarbonate resin by Covestro, designed for precision injection molding. With low viscosity (16 cm³/10 min MVR), excellent flow, and easy mold release, it streamlines production of clear, high-performance medical components. Ideal for demanding healthcare applications.
Associated Documents
ISO TDS
Typical property data
Physical Properties (Rheological)
- Melt Volume-Flow Rate (MVR): 16 cm³/10 min (ISO 1133, 300 °C/1.2 kg)
- Melt Mass-Flow Rate (MFR): 17 g/10 min (ISO 1133, 300 °C/1.2 kg)
- Molding Shrinkage (Parallel and Normal): 0.7% (ISO 294-4, 280 °C, MT 80 °C, 500 bar)
- Molding Shrinkage (Range): 0.6–0.8% (ISO 2577, based on practical experience)
Mechanical Properties (23 °C/50% r. h.)
- Tensile Modulus: 2400 MPa (ISO 527-1,-2, 1 mm/min)
- Yield Stress: 68 MPa (ISO 527-1,-2, 50 mm/min)
- Yield Strain: 6.0% (ISO 527-1,-2, 50 mm/min)
- Nominal Strain at Break: >50% (ISO 527-1,-2, 50 mm/min)
- Stress at Break: 70 MPa (ISO 527-1,-2, 50 mm/min)
- Strain at Break: 130% (ISO 527-1,-2, 50 mm/min)
- Flexural Modulus: 2400 MPa (ISO 178, 2 mm/min)
- Flexural Strength: 100 MPa (ISO 178, 2 mm/min)
- Flexural Strain at Flexural Strength: 6.8% (ISO 178, 2 mm/min)
- Izod Notched Impact Strength (23 °C): 65 kJ/m² (ISO 21305, based on ISO 180/A, 3 mm)
- Izod Notched Impact Strength (-30 °C): 12 kJ/m² (ISO 21305, based on ISO 180/A, 3 mm)
- Puncture Impact Strength (23 °C): 5300 N (ISO 6603-2)
- Puncture Impact Strength (-30 °C): 6200 N (ISO 6603-2)
Thermal Properties
- Temperature of Deflection Under Load (1.80 MPa): 120 °C (ISO 75-1,-2)
- Temperature of Deflection Under Load (0.45 MPa): 132 °C (ISO 75-1,-2)
- Vicat Softening Temperature (50 N, 50 °C/h): 140 °C (ISO 306)
- Coefficient of Linear Thermal Expansion (Parallel and Normal, 23–55 °C): 0.65 × 10⁻⁴/K (ISO 11359-1,-2)
- Thermal Conductivity (23 °C, 50% r. h.): 0.20 W/(m·K) (ISO 8302)
- Flash Ignition Temperature: 480 °C (ASTM D1929)
- Self-Ignition Temperature: 550 °C (ASTM D1929)
Other Properties (23 °C)
- Water Absorption (Saturation Value): 0.30% (ISO 62, water at 23 °C)
- Water Absorption (Equilibrium Value): 0.12% (ISO 62, 23 °C, 50% r. h.)
- Density: 1200 kg/m³ (ISO 1183-1)
- Bulk Density (Pellets): 660 kg/m³ (ISO 60)
Processing and Drying Conditions
- Melt Temperature Range: 280–320 °C
- Standard Melt Temperature: 300 °C
- Mold Temperature Range: 80–120 °C
- Drying Temperature: 120 °C (Dry Air Dryer)
- Drying Time: 2–3 hours
- Moisture Content (Max.): ≤0.02%
- Recommended Injection Velocity: 200 mm/s (ISO 294)
- Hold Pressure (% of Injection Pressure): 50–75%
- Vent Depth: 0.025–0.075 mm
Features & Benefits
Medical Compliance & Safety
Covestro PC Makrolon Rx1452 meets stringent medical-device standards, offering biocompatibility and resistance to sterilization (e.g., autoclaving), ensuring reliability in critical healthcare environments.
Exceptional Optical Clarity
It boasts 86% luminous transmittance and just 1.0% haze (3mm thickness), delivering crystal-clear visibility for diagnostic devices, surgical tools, and transparent housings.
Optimized Processing Efficiency
Low shrinkage (0.6–0.8%) and wide processing window (280–320°C melt temp) reduce warping, scrap rates, and cycle times—cutting costs for high-volume medical molding.
Use & Applications
- Surgical instrument housings
- Diagnostic equipment components
- Drug-delivery systems
- Sterilizable trays & containers